AA 1985 then AA 2255 at Charlotte
Des Moines → Charlotte → Pittsburgh
Timetable, Charlotte time
10:30AA 1985 from Des Moines at the gate
08:55AA 2255 to Pittsburgh leaves the gate
22 h 25 apart on the timetable, overnight
AA 2255 leaves 22 h 25 after AA 1985 arrives on the timetable: more than half a day, so not a connection we count.